Searched for: subject:"Perception"
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document
Vos, J.J. (author), Estevez, O. (author), Walraven, P.L. (author), Instituut voor Zintuigfysiologie TNO (author)
New action spectra are derived for the foveal cones on the basis of three assumptions: (1) the Stiles-Burch (1959) colorimetric data are better than CIE 1931; (2) the long wavelength flanks of the dichromatic luminosity functions offer better anchorage than the confusion loci; and (3) the relative mutual heights per receptor can be derived from...
article 1990
document
Vos, J.J. (author), Walraven, P.L. (author), Instituut voor Zintuigfysiologie TNO (author)
On the basis of the concepts, discussed in Part I of this study, a line element is developed to describe colour discrimination data. First the simple case of unsaturated neural data transmission is treated. Then complicating effects of saturation and supersaturation are introduced. The goodness of fit with shapes and orientation of JND-ellipses...
article 1972
document
Vos, J.J. (author), Walraven, P.L. (author), Instituut voor Zintuigfysiologie TNO (author)
To derive the fundamental response curves for the three colour mediating systems from the location of the dichromatic confusion centres, one must make certain assumptions on the nature of dichromatism. It is shown, however, that one can avoid to make specific quantitative assumptions by bringing into the picture other visual data, such as the...
article 1971